Bicycle-lock



(No Model.)

Q. A. SMITH. Y BICYCLE LOOK.

No. 441,857. Patented Dec. Z, 1890.

Ina/en, 602'.-

UNITED STATEs PATENT OFFICE.

QUITMAN A. SMITH, OF ROCHESTER, NEV X TORK BICYCLE-LOCK.

SPECIFICATION forming part of Letters Patent No. 441,857, dated December 2, 1890.

Application filed April 19, 1890.

To all whom it may oonce '72.-

Be it known that I, QUITMAN A. SMITH, of Rochester, in the county of Monroe and State of New York, have invented a new and useful Improvement in Bicycle-Locks, which i1nprovement is fully set forth in the following specification and shown in the accompanying drawings.

The object of my invention is to produce an improved lock for the wheels of bicycles and similar vehicles, the invention being hereinafter fully described, and more particularly pointed out in the claims.

Referring to the drawings, Figure 1 is a front View of a portion of the fork and the head of a bicycle with my improved lock in place, parts being shown in two positions by full and dotted lines and a part broken away; Fig. 2, a side elevation of the same, seen as indicated by arrow 00, parts being centrally and longitudinally sectioned as on the dotted lines 1 and z ,2, respectively, in Fig. 1, parts being broken away; Fig. 3, a horizontal section taken on the dotted line 00 0c in Fig. 1; Fig. 4, a rear view of the locking device with the rear plate omitted, parts being shown in two positions by full and dotted lines; and Fig. 5, a longitudinal section of a part of the lockingbolt, taken on the dotted line 1 in Fig. 4.

Referring to the parts, A is a part of the fork or frame of a bicycle, B the head, 0 the handle-bars, and D the wheel, all of common make or kind.

My improved lock for the wheel is shown in the drawings as attached to the fork and in front of the head; but in different makes or kinds of velocipedes it may be attached to any other convenient part of the frame in po sition to engage one of the wheels.

The device consists, essentially, of a locki ngbolt F to press against or engage the indiarubber tire on of the wheel, with an inclosed or inaccessible catch or holder to hold it in place against the wheel, and a lock proper operated by a key to release the locking-bolt and allow it to be withdrawn from the wheel when it is wished to unlock the bicycle. The locking-bolt, as shown, is formed with notches c at one edge, and a spring-pressed pawl or holder cl is provided to enter the notches. This pawl allows the bolt. to be Serial No. 348,618. (No model.)

moved in a direct-ion toward or against the wheel, but prevents'it being moved in the opposite direction or away from the wheel.

The movable barrel or body 6 of the lock is formed with a tooth or projection f in position to bear against the pawl, as shown in Fig. 4, so that when the barrel is turned by means of a key inserted in the key-hole Zthe pawl is forced out of the notch against the action of the spring 9. This releases the bolt F and allows it to be drawn upward away from the wheel to release the latter. A piece of india-rubber or similar material 71. inserted in the head 13 in position to bear against the bolt, which acts as a tension to prevent the bolt from moving downward against the wheel on account of the jarring of the bicycle while in use. Any suitable tension not involving invention maybe used in place of the india-rubber mass h-as, for instance, a slender metal spring-between the bolt and the head 13.

The bolt F may of eoursebe of any suitable form and provided at its upper end with a head 2' of any convenient form to be operated by the hand. As shown, it is made in the form of a hook, which constitutes a fingerrest, by means of which to raise it to unlock the wheel. The lower end of the bolt is formed with a curved foot 7; to meet and press the tire, as shown, the inner surface of the foot being corrugated, as shown in Fig. 5, to enable it to more firmly hold the wheel.

As shown in the drawings, a Yale lock with tumblers and operated with a corrugated key is used to operate the pawl or holder (Z for the bolt; but any other suitable lock may be employed for the purpose. The bolt, as shown, is formed with a slotb to avoid contact with the part c, the latter part, with the pawl (l and spring g, being inclosed in an inclosure G, through which the bolt F slides, as shown, the notched part of the latter being within the inclosure.

lock and chain commonly used for the purpose.

This loek forms a permanent attachment of the bicycle.

\Vhen the vehicle is to be left standing in an exposed place, the rider presses the locking-bolt firmly down against the wheel and the pawl holds it in place. \Vhen it-is Wished 5 to use the bicycle, the key is inserted in the 15 and well-known means-as by rivets, for in stancethis not being" essential to my invention. lVhen the pawl is thrown back by the barrel 6 to release the locking-b0lt, it encounters a stndo, Figs. 1 and at. This forms a 20 stop for the pawl and prevents the toothfrom passing beyond the end of thepawl. The

stud 0 is one of four which serve to hold the parts of the inclosnre G together, the pawl be ing held by one of them.

This releases the \Vhat I-claim as my invention is 1. In a bicycle-lock, a rigid toothedlockingboltto bear against the wheel, a pawl to engage the teeth of the bolt, and a detent h, bearing against the bolt to moderately resist the motion thereof, the bolt being held in bearings rigid with the fork of the machine, as shown.

2. In a bicycle-lock, the fork or frame of the vehicle, in combination with an inclosing-case held by said fork or frame, a locking-bolt to engage, the wheel held by said inclosing-case and formed with an opening within said case, a holder for the bolt, and a barrel or part within said opening in the locking-bolt operated by a key to disengage the holder from I the bolt, substantially as shown and described.

In witnesswhereof- I havehereunto set my hand, this 10th day of April-,'1890,-in thepresence of two subscribing witnesses.

QUIT-MAN A. SMITH. Witnesses:

E. B. WHITMORE, M. L. MoDERno'r'r. 

